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Levofloxacin impurity B

(S)-9-fluoro-3-methyl-10-((2-(methylamino)ethyl)amino)-7-oxo -2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrogen chloride salt

product code:O-ZYX-B

purity:99.18%

package:10mg;25mg;50mg;100mg

CAS:1346603-62-0(free base:151250-76-9 )

Molecular formula:C16H18FN3O4.HCl

Mole molecular weight:371.79

use:It is only used for identification and inspection in R & D test.

Levofloxacin impurity A

(S)-9-fluoro-3-methyl-7-oxo-10-(piperazin-1-yl)-3,7-dihydro-2H -[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride

product code:O-ZYX-A

purity:99.46%

package:10mg;25mg;50mg;100mg

CAS:2254176-11-7(free base:117707-40-1)

Molecular formula:C17H18FN3O4.HCl

Mole molecular weight:383.80

use:It is only used for identification and inspection in R & D test.